Answer:
All of the elements in group 17 all have 7 valence electrons. This is one thing they all share in common.
Explanation:
<span>I think it is a but dont take me for it. I searched it and thats what I found since liquid in beaker B is more dense then realtivley speaking the object is less dense compared other liquid and floats at a higher level.</span>
From about 300ppm to about 377ppm :D
Answer:
-1.5 N because 1.5 N would be upwards and -1.5 N would be downwards
Humans.
Humans have mass and take up space. :)
Hope this helps!